Avoid crashing when an input file could not be opened

	* input.c (add_file_to_cache_tab): Handle the case where fopen
	returns NULL.

Signed-off-by: Dodji Seketeli <dodji@seketeli.org>
From-SVN: r207046

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index cdbedadc64cbb93764b553d2eff81a9b5f668c2e..7feb332d94b8c17b16c6c1a8c8dd927ecaaed1cb 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2014-01-24  Dodji Seketeli  <dodji@redhat.com>
+
+       * input.c (add_file_to_cache_tab): Handle the case where fopen
+       returns NULL.
+
 2014-01-23  H.J. Lu  <hongjiu.lu@intel.com>
 
        PR target/59929

diff --git a/gcc/input.c b/gcc/input.c
index 290680c1e5acf1ef48b78699d12ba3d9d3acae5c..547c177b09ff58e79b9be9e0a8b32e8981ce4be6 100644 (file)
--- a/gcc/input.c
+++ b/gcc/input.c
@@ -293,11 +293,8 @@ add_file_to_cache_tab (const char *file_path)
 {
 
   FILE *fp = fopen (file_path, "r");
-  if (ferror (fp))
-    {
-      fclose (fp);
-      return NULL;
-    }
+  if (fp == NULL)
+    return NULL;
 
   unsigned highest_use_count = 0;
   fcache *r = evicted_cache_tab_entry (&highest_use_count);